Re: [PATCH 0/1] KVM support for VMD devices

2020-04-23 Thread Derrick, Jonathan
On Wed, 2020-04-22 at 23:16 -0700, Christoph Hellwig wrote: > On Wed, Apr 22, 2020 at 01:14:44PM -0400, Jon Derrick wrote: > > The two patches (Linux & QEMU) add support for passthrough VMD devices > > in QEMU/KVM. VMD device 28C0 already supports passthrough natively by > > providing the Host

Re: [PATCH 0/1] KVM support for VMD devices

2020-04-23 Thread Christoph Hellwig
On Wed, Apr 22, 2020 at 01:14:44PM -0400, Jon Derrick wrote: > The two patches (Linux & QEMU) add support for passthrough VMD devices > in QEMU/KVM. VMD device 28C0 already supports passthrough natively by > providing the Host Physical Address in a shadow register to the guest > for correct bridge

[PATCH 0/1] KVM support for VMD devices

2020-04-22 Thread Jon Derrick
The two patches (Linux & QEMU) add support for passthrough VMD devices in QEMU/KVM. VMD device 28C0 already supports passthrough natively by providing the Host Physical Address in a shadow register to the guest for correct bridge programming. The QEMU patch emulates the 28C0 mode by creating a